@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81b444f2-1d22-48b7-9ee4-d91e2acb049f> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81b444f2-1d22-48b7-9ee4-d91e2acb049f> .